2778248

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 5749920

約数和(自身を除く): 2971672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 241, 262, 482, 524, 964, 1048, 1441, 1928, 2651, 2882, 5302, 5764, 10604, 11528, 21208, 31571, 63142, 126284, 252568, 347281, 694562, 1389124, 2778248]

約数ペア:

[(1, 2778248), (2, 1389124), (4, 694562), (8, 347281), (11, 252568), (22, 126284), (44, 63142), (88, 31571), (131, 21208), (241, 11528), (262, 10604), (482, 5764), (524, 5302), (964, 2882), (1048, 2651), (1441, 1928)]